1902 results about "Window opening" patented technology

Installation systems and methods for fenestration units configured to be set into a rough opening from an interior side of a building or wall. The fenestration units may include a retention system coupled to the frame and operable to exert a retention force on the fenestration unit to maintain positive engagement of the fenestration unit with the rough opening framing and resist extraction of the fenestration unit from the rough opening upon insertion of the fenestration unit in the rough opening from the interior side of the rough opening.

The invention discloses a method for manufacturing a rigid-flex printed circuit board with a surface flexible layer, which comprises the following steps of: taking a double-sided flexible copper-clad plate, manufacturing a through hole and electroplating, and then manufacturing a circuit pattern to form a pattern plate; manufacturing a first windowing covering film for windowing corresponding to the golden finger area and covering the through hole and a second windowing covering film for windowing corresponding to the through hole and the ineffective area, respectively attaching the first windowing covering film and the second windowing covering film to the two surfaces of the pattern board, and then carrying out electrometallization to form a flexible core board; taking a rigid copper-clad plate, windowing the rigid copper-clad plate corresponding to the flexible layered area, and then manufacturing a circuit pattern to form a rigid core plate; stacking and laminating the structures to form a laminated plate; drilling and electroplating are carried out on the laminated plate, then laser ablation is carried out on a through hole area, and the rigid-flexible combined plate is formed through post-process processing; by forming a new processing flow, the defects of low adaptability, processing precision and reliability of a traditional rigid-flex printed circuit board manufacturing method are systematically solved, and high-precision processing of the rigid-flex printed circuit board with high integration level is formed.

A window opening control device having first and second restrictor arms, each one being pivotally securable to a respective one of a window frame and a window sash and having a connector. The connector of the first restrictor arm being couplable with the connector of the second restrictor arm in a pivotable connector connexion. The first and second restrictor arms are configurable in a compacted configuration in which they are superposed to one another, and an extended configuration in which their connectors are coupled together to limit a pivotal travel of the window sash with respect to the window frame. The opening control device further includes a release mechanism actionable to disengage the first and the second connectors. In a closed configuration of the window sash with respect to the window frame, the first and second restrictor arms are configured in the compacted configuration and are automatically coupled together.

A container includes a container body of a corrugated paper material. The container body defines a tray and a clamshell lid hinged to the tray for movement between a closed position wherein the clamshell lid and tray enclose an interior space of the container body and an open position wherein the clamshell lid is clear of a top opening of the tray for access to the interior space. The tray includes a bottom panel defining a bottom window opening. The clamshell lid includes a top panel defining a top window opening. The top window opening and the bottom window opening are separated from one another by corrugated paper material of the container body. In the closed position, the top window opening is opposite from the bottom window opening. A transparent film is connected to the container body, covering over at least one of the window openings.

An assembly supports external masonry veneer. A soffit assembly is provided to close what might otherwise be an open eave lying inboard of the bottom margin of the masonry veneer. The soffit assembly includes a fitting that mounts to the toe of the shelf angle, such that the soffit may be mounted from the shelf angle and run rearwardly toward the supporting wall structure. The soffit assembly may come as a two-part assembly. Alternatively, it may come as a three-part assembly. In either circumstance the soffit assembly may include a drip edge. The soffit assembly includes an external coating. It may be used over a door or window opening between first and second side walls.

The invention discloses an intelligent ventilation method and system based on wind levels, and belongs to the field of intelligent ventilation. The method comprises the steps that a window opening strategy is adjusted through wind speed and wind direction information, and the window operation risk caused by building swing under the strong wind condition is avoided; performing strength analysis and life prediction on the window opening mechanism, adjusting a maintenance plan and a replacement period according to a prediction result, and ensuring the reliability of the mechanism under the action of long-term wind power; a central control system is established, and a wind speed and wind direction data processing module, a wind field simulation module, a building swing monitoring module and a window operation decision module are integrated, so that full-automatic management of the intelligent ventilation system is realized; a deep learning algorithm is utilized to train a large amount of collected wind speed and wind direction data, the prediction accuracy of the wind field model is optimized, and the response speed and accuracy of the intelligent ventilation system are improved.

The invention discloses a method for manufacturing a surface flexible layer rigid-flexible combined board for an intelligent video module, which comprises the following steps of: taking a double-sided flexible copper-clad plate, and windowing a first surface copper layer corresponding to a first via hole to form a flexible core board; taking the first cover film and windowing corresponding to the first via hole to form a windowing cover film; correspondingly attaching the windowing covering film to one side of the second copper layer of the flexible core plate to form a covering film core plate; taking a prepreg, manufacturing a glue-blocking film corresponding to a flexible area of the prepreg, forming a glue-blocking prepreg, and manufacturing a rigid core plate; sequentially stacking and laminating the plates from top to bottom, enabling the glue blocking film to face the covering film core plate, then manufacturing a through hole in the rigid region, performing laser ablation on an insulating medium layer corresponding to a copper layer windowing pattern, electroplating, performing uncovering processing, removing a second copper layer at the bottom of a blind hole, forming a first via hole, and performing molding to form the rigid-flexible combined plate. The metallization process of the flexible area and the metallization process of the rigid area are combined into one-time electroplating, so that the consistency of the thickness of a copper plating layer is ensured.

The invention discloses a downhole casing pipe external windowing experiment device and method, and belongs to the technical field of downhole casing pipe windowing, the downhole casing pipe external windowing experiment device comprises an experiment bench, an angle control mechanism, a drilling mechanism and a drill column mechanism, the angle control mechanism is arranged on the experiment bench and used for adjusting the position of a casing pipe, and the drilling mechanism is arranged on the experiment bench and used for controlling the drilling mechanism; a first driving assembly of the drilling mechanism is used for driving a working plate to move in the direction close to the outer wall of the casing pipe, and a first pressure sensor is used for detecting thrust of the first driving assembly. A first servo motor of the drill string mechanism can drive a drill rod to drive a milling shoe to rotate so as to open a window from the outer wall of the casing pipe, a torque sensor is arranged between an output shaft of the first servo motor and the drill rod and used for detecting the cutting torque of the milling shoe, and a second pressure sensor is arranged on a working plate and used for detecting the cutting pressure of the milling shoe on the casing pipe. The underground casing pipe external windowing experiment method adopts the underground casing pipe external windowing experiment device. According to the method, data support is provided for an actual casing pipe external windowing process, and the windowing quality is improved.

The embodiment of the invention provides a mainboard assembly and electronic equipment, and aims to solve the problem that the efficiency of an antenna is low, in the electronic equipment, a middle frame is at least partially arranged between a battery and a first radiator, the middle frame is provided with a window, the first radiator covers at least part of the window, clearance is provided for a first antenna through the arranged window, and the efficiency of the antenna is improved. Or the partial thickness of the middle frame provides the clearance of the first antenna, so that the gain of the first antenna is improved.

The present application provides a component embedding method and a PCB structure having a component embedded therein. The method comprises the following steps: stacking at least two core boards, and stackingly arranging a first prepreg between every two adjacent core boards to obtain a laminate, the laminate being provided with at least one through slot penetrating in the thickness direction; sequentially arranging a second prepreg and a first copper foil at one end of the through slot; placing a component into the through slot, and sequentially arranging a third prepreg and a second copper foil at the other end of the through slot to obtain a pre-laminated member; performing hot lamination on the pre-laminated member to obtain a laminated member; and performing a windowing treatment on the laminated member to expose an electrode of the component, and electroplating a metal lead at the exposed electrode to obtain a PCB structure having the component embedded therein. According to the component embedding method, stable embedding of the component can be achieved without being limited by the size of the component, and the component can be well protected from being damaged, thereby improving product reliability. Moreover, the process is simple, and large-scale industrial production can be implemented.

The invention relates to the technical field of circuit board manufacturing, and discloses a PCB manufacturing method and a PCB.The PCB manufacturing method comprises the steps that a PCB is provided, the PCB comprises a base material, the base material is provided with a connecting face, the connecting face is provided with a circuit, an OSP bonding pad and a to-be-plated part, the PCB is provided with a solder mask layer, the solder mask layer is provided with a first window, a sunken part and a second window, the OSP bonding pad is exposed out of the first window, and the OSP bonding pad is exposed out of the sunken part; a first character is arranged in the concave part, and the second window exposes the to-be-plated part; a protective layer is arranged on the solder mask layer, the protective layer shields the first window and shields the sunken part, the protective layer and the first character are arranged at intervals in the direction perpendicular to the connecting face, the protective layer is provided with a third window, and the to-be-plated part is exposed out of the third window; performing electrogilding treatment on the to-be-plated part; and removing the protective layer. According to the PCB manufacturing method and the PCB provided by the invention, the problem that the OSP bonding pad is easily gilded after the gold finger and the like are subjected to electrogilding in the related technology can be improved.

The invention provides an existing building BEM modeling method, system and device based on an infrared thermal image of an unmanned aerial vehicle and a medium, and belongs to the technical field of building modeling. Generating a three-dimensional geometric model of the building main body; screening out an external window candidate area by analyzing RGB value characteristics of the visible light point cloud, generating a window opening three-dimensional boundary, and determining an internal surface temperature and an indoor air temperature through internal surface infrared temperature measurement and area weighted integration; and based on the temperature data and the building envelope construction parameters, inverting heat transfer coefficients of the outer wall, the roof and the outer window, and finally constructing a building energy consumption model in combination with the weighted average K value. According to the method, precise operation from building geometric model construction to thermal parameter acquisition and then building energy consumption model construction is realized. The efficiency and precision of BEM modeling of the existing building are improved, and a scientific basis is provided for building energy-saving transformation, energy consumption evaluation and the like.

The invention provides an intelligent door and window control method and system, and the method comprises the steps: S1, obtaining multi-source environment data; s2, inputting the multi-source environment data into a fuzzification module, and converting the multi-source environment data into a fuzzy variable through a preset ambiguity function; s3, dynamically generating an environment parameter weight vector according to the real-time scene parameters; s4, inputting the fuzzy variable and the environmental parameter weight vector into a fuzzy inference engine, executing logical operation of a fuzzy rule base, and outputting comprehensive evaluation values of window opening suitability, window closing urgency and shading demand; and S5, generating a final control instruction through a defuzzification strategy, and executing the final control instruction. According to the method, the problem of frequent invalid operation caused by fluctuation of the environmental parameters near the boundary value is solved, the environmental parameter weight vector is dynamically generated based on the time parameters, the user preset mode and the meteorological data confidence factor, adaptation to seasons, time periods, user states and other scenes is achieved, and decision logic can be flexibly adjusted according to actual requirements; and a contradictory decision under a traditional fixed rule is avoided.

The present disclosure relates to prosthetic valves and valvular structures thereof. In an example, a prosthetic valve can include a frame movable between a radially compressed configuration and a radially expanded configuration, and a valvular structure coupled to the frame. The valvular structure is a one-piece material that includes a plurality of integrally formed leaflets configured to regulate flow through the prosthetic valve, and at least one integral commissure fold continuously extending between two adjacent leaflets. The integral commissure fold is defined proximal to an intermediate slit of the valvular structure, and extends radially outwards through a window opening of the frame, forming a first commissure coupled to the frame.

The invention discloses an intelligent window ventilation control system and method, and relates to the technical field of window control, window position coordinate data, plant position coordinate data and plant information data are input into an indoor three-dimensional model, current indoor environment data are collected and input into a processing end, calculation is carried out according to the current indoor environment data, and a ventilation control result is obtained. According to the intelligent control system, the window is accurately controlled to be opened and closed according to plant requirements, it is ensured that plants obtain proper illumination and humidity, healthy growth of the plants is promoted, meanwhile, the living comfort and humanistic care are remarkably improved, energy waste is reduced through intelligent control, the indoor environment is optimized, and the intelligent control system is suitable for popularization and application. In addition, the system indicates that indoor environment regulation and control enter a new intelligent stage, convenient and efficient life experience is brought to residents, and the home intelligent level and the living quality are integrally improved.

The utility model discloses a switch lock linkage mechanism for a window, which consists of a one-piece bracket, and a rotating groove assembly, a rotating groove unlocking piece and an unlocking piece pin, a rack and a rack pin, a rocker arm and a rocker arm bracket pin, a connecting rod and a rack connecting rod pin, a first torsion spring and a second torsion spring which are arranged on the one-piece bracket. The lower rotary groove unlocking piece is installed on one corner of a window sash in a wrapping mode and used in cooperation with a concealed installation type window opener, when the window is about to be closed in place, the lower rotary groove unlocking piece is pressed to enable the rotary groove assembly to rotate, then the lower rotary groove unlocking piece pushes the rack to drive the connecting rod to rotate the rocker arm, then the bottom groove connecting rod assembly is pulled to lock the window sash, and window closing and locking are achieved. Compared with similar products of concealed installation type electric windows adopting window openers and electric lock boxes in the market, the concealed installation type electric window has the advantages that the arrangement of the electric lock boxes is omitted, the mechanism is simplified, the manufacturing and installation links are saved, the production cost is reduced, and the after-sales problem links are reduced.

The utility model discloses an automatic window opening machine, and relates to the field of window opening equipment. The automatic window opening machine comprises a box body, a driving assembly, a speed reduction chain assembly, a transmission chain assembly, an electromagnetic clutch component and a fluid damping component, the speed reduction chain assembly is jointly driven by the first driving part and the second driving part, so that the power and the cruising ability of the window opening machine are improved; during window opening work, the electromagnetic clutch component is switched to be in the state that the input end of the transmission chain assembly and the speed reduction end of the speed reduction chain assembly are connected and combined so as to implement window opening work. The acting force of transmission of the transmission chain assembly is damped by the fluid damping part, so that the force transmission effect of the transmission chain assembly is relieved, and the risk that the speed reduction chain assembly and the transmission chain assembly are damaged is reduced. According to the automatic window opening machine, buffering damping is provided for power attenuation or power reverse change through the fluid damping component, damage to a transmission structure can be reduced, the service life of the window opening machine can be prolonged, and operation stability of the window opening machine can be improved.

The invention discloses an ultra-short radius flexible windowing tool, and relates to the technical field of windowing tools. Comprising an outer sleeve-shaped tool string, an inner drilling tool string is arranged in the outer sleeve-shaped tool string in a penetrating mode, an auxiliary assembly is arranged at the inner bottom of the outer sleeve-shaped tool string, and the outer sleeve-shaped tool string is stably fixed in the inner wall of a casing pipe through the auxiliary assembly; a cleaning assembly is arranged on the auxiliary assembly, and friction between the external sleeve-shaped tool string and the sleeve is reduced through the cleaning assembly; a stabilizing assembly is arranged in the outer sleeve-shaped tool string, the stability between the auxiliary assembly and the sleeve is improved through the stabilizing assembly, and the cleaning assembly comprises a lifting groove formed in the outer sleeve-shaped tool string. Through cooperative use of the auxiliary assembly, the cleaning assembly and the stabilizing assembly, the window opening process of the window opening tool in the sleeve is effectively optimized, and higher stability, efficiency and precision are provided.

The invention provides an intelligent monitoring method and system for building energy consumption abnormity, and relates to the technical field of data processing. The method comprises the steps that the indoor temperature of each user unit in a target building and the water supply temperature and the water return temperature of a heating system are collected; determining a temperature standard value of the indoor temperature based on the heating intensity, and determining an abnormal heating interval of each user unit based on the temperature standard value and the indoor temperature; based on the indoor temperature of each user unit in the abnormal heating interval, determining the temperature deviation dispersion and the similarity of the temperature change trend of each abnormal heating interval; determining a windowing interference value based on the water supply temperature, the water return temperature and the indoor temperature; based on the temperature deviation dispersion, the similarity of the temperature change trend and the windowing interference value, the confidence coefficient of the heating system is determined; and whether the heating system is abnormal or not is judged based on the confidence coefficient, and when the heating system is abnormal, the abnormal condition is processed. According to the invention, the abnormal condition of the heating system can be monitored more effectively.

The invention discloses a vehicle accident emergency escape system which comprises an independent power supply module, a multi-mode sensor array, an intelligent control unit and an execution driving module. The state of a vehicle is monitored in real time through the multi-sensor fusion technology, when accidents such as collision, fire or falling into water are detected, the system is automatically switched to an independent power source, a glass lifting motor is directly driven to forcibly open vehicle windows, a skylight and a trunk door, and an emergency escape channel is provided for people in the vehicle. One-key forced full-open and voice prompt functions are configured, and the independent power supply part is waterproof and fireproof, so that reliable work in an extreme environment can be ensured.

The invention relates to the technical field of air conditioner and window linkage control, in particular to an air conditioner and intelligent window linkage control method and system.The linkage control method comprises the steps that the wind direction, the wind speed and the temperature of external wind at a window are continuously obtained; the spatial position of a user is continuously obtained, demand information and the spatial position are input into the air conditioner, and the demand information comprises the somatosensory temperature range and the somatosensory wind speed range needed by the user and the operation mode and operation parameters of the air conditioner; performing first adjustment on the opening degree of the window according to the operation mode, the wind speed and / or the temperature of the external wind, and a somatosensory temperature range and / or a somatosensory wind speed range required by a user; according to the spatial position of the user, the window position, the air conditioner position, the wind direction of the external wind and the operation mode, the operation parameters and / or the window opening degree of the air conditioner are / is subjected to second adjustment; wherein the operation parameters of the air conditioner comprise the air outlet temperature, the air outlet direction and the air outlet speed of the air conditioner.

The utility model provides a high and low voltage power distribution cabinet equipped with an automatic window opening and closing structure, which comprises a power distribution cabinet main body, an equipment cavity, a lifting plate and a double-end motor, and a temperature sensor and a controller linearly connected with the temperature sensor and the double-end motor are arranged at the top of the equipment cavity. Compared with the prior art, the power distribution cabinet has the following beneficial effects that the temperature sensor plays a role in detecting the internal temperature of the power distribution cabinet main body and is matched with the controller and the double-head motor to control the opening and closing states of the inner air port, and the double-head motor can drive the lifting plate to move up and down through the screw rod nut; when the lifting plate moves to a position above the baffle plate, air outside the power distribution cabinet main body can sequentially penetrate into the outer air port, the U-shaped groove I and the U-shaped groove II and then flow into the equipment cavity through the inner air port, so that the internal temperature of the electric appliance cabinet is reduced.

The present invention relates to the technical field of medical devices, and discloses a special covered stent for in situ fenestration of an aortic arch, wherein the proximal end of the aortic covered stent is provided with 2-3 Z-wave stent rings (proximal Z-wave stent ring group) and 1 proximal small-wave stent ring, the distal end is provided with 3-4 Z-wave stent rings (distal Z-wave stent ring group), the middle section of the aortic covered stent is provided with a saddle-shaped metal stent ring, the aortic stent is fully covered with a coating, and the coating has a grid-like reinforcing wire. The special covered stent for in situ fenestration of an aortic arch mainly provides a special covered stent for in situ fenestration for in situ fenestration technology, which improves the success rate of fenestration and reduces the probability of stenosis caused by compression of the branch stent by the angle of the metal ring.

The invention provides a rigid-flex board 3D steel sheet reinforced press-fit structure. The rigid-flex board 3D steel sheet reinforced press-fit structure comprises a first press-fit auxiliary material, a second press-fit auxiliary material, a lower alignment jig, a laminated structure, an upper alignment jig, a second press-fit auxiliary material and a first press-fit auxiliary material which are sequentially arranged from bottom to top. The laminated structure comprises a windowed lower press-fit auxiliary material, a rigid-flex board and a windowed upper press-fit auxiliary material, and the 3D steel sheet comprises a substrate and a lug boss arranged on the substrate; the position, corresponding to the protruding part, of the rigid-flex board is windowed, the substrate is arranged on the lower side of the lower press-fit auxiliary material, and the protruding part penetrates through the windowed lower press-fit auxiliary material, the rigid-flex board and the windowed upper press-fit auxiliary material; and the lower alignment jig and the upper alignment jig are provided with mutually matched grooves corresponding to the bulge positions of the laminated structure. Through pretreatment of the rigid-flex board and the steel sheet, the surface activity is enhanced, the cohesiveness is improved, and the bonding strength of the 3D steel sheet and the rigid-flex board is remarkably improved in cooperation with a gradient pressing process.

The invention discloses a manufacturing method of a wire-harness-like rigid-flex board with a large length-width ratio. The manufacturing method comprises the following steps: manufacturing a copper pattern board with a connecting copper pattern which stretches across a bending area and extends into an ineffective area; corresponding to the connection copper pattern, a connection position windowing pattern is manufactured by extending from the edge of the bending region to the ineffective region, but does not exceed the part of the connection copper pattern penetrating into the ineffective region; a double-sided flexible copper-clad plate is taken, a micro-groove is milled in the area, corresponding to the connecting copper pattern, of the edge of a bending area, then the double-sided flexible copper-clad plate is arranged between the two copper pattern plates in a laminated mode and pressed, and the connecting copper pattern faces the outside of the plates; then milling a through groove in the edge of the bending area to form a middle core plate, stacking and pressing the plate layers, then uncovering and etching the bending area, and finally forming; the overall processing forms a technological process with a complete processing logic process on the basis of a pattern distribution design and a size relation design, a front-back matching processing effect is formed, and the processing quality of the rigid-flex printed circuit board is effectively improved.

A camera assembly for a vehicle can include a first glass pane, a second glass pane, a garnish panel and a camera. The vehicle can have a side panel and a window opening in the side panel. The first glass pane can be configured to cover the widow opening and have a first light transmissivity. The second glass pane can be configured to cover a portion of the side panel that is adjacent to the opening and have a second light transmissivity that is greater than the first light transmissivity. The garnish panel can extend across the second glass pane. The camera can oppose the second glass pane.

The invention discloses a method for manufacturing a locally-thinned metal workpiece, which comprises the following steps of: dividing a workpiece forming area on a material belt, and forming a positioning hole; insulating films are pasted on the front face and the back face of the material belt respectively; carrying out die cutting on the material belt to remove the insulating film in a preset area to form a windowing area; the windowing area of the material belt is etched and thinned; removing the insulating film on the material belt; and a finished product of the metal workpiece is manufactured on the material belt. According to the automatic production line, the production process of the metal workpiece can be automatically and continuously carried out by adjusting the process and optimizing the process sequence, the single metal workpiece does not need to be manually machined, the production efficiency is greatly improved, and the production cost is reduced.

The utility model relates to the technical field of sensor packaging, in particular to a batch packaging structure and a batch packaging process for sensors, the batch packaging structure comprises a substrate and a packaging cover, the windowing position of the substrate is provided with a mounting area, the mounting area is divided into a plurality of packaging stations arranged in a rectangular array, and the packaging stations are arranged on the substrate. First positioning holes are formed in two opposite sides of the mounting area of the substrate; the surface, provided with the mounting area, of the substrate is connected with a packaging layer, the packaging layer comprises a plurality of packaging tube shells, and the packaging tube shells are in one-to-one correspondence with the packaging stations; the packaging cover comprises a cover plate area, the cover plate area is provided with a plurality of window covers arranged in a rectangular array, the window covers correspond to the packaging stations one to one, windows are formed in the window covers, waterproof films are attached to the windows, second positioning holes are formed in the positions, on the two opposite sides of the installation area, of the packaging cover, and the second positioning holes are opposite to the first positioning holes in position. According to the invention, the sensors can be packaged in batches, the production efficiency is improved, and the packaging cost is reduced.

The utility model relates to a gear transmission reducing mechanism which is used for a window opener, and the window opener is provided with an input assembly and an output assembly. The gear transmission reducing mechanism comprises a first transmission assembly and a second transmission assembly which are distributed in parallel, and each of the first transmission assembly and the second transmission assembly comprises at least two transmission gears which are coaxially distributed. The at least two transmission gears in the first transmission assembly are sequentially connected with the at least two transmission gears in the second transmission assembly in a staggered and meshed mode at intervals. The two transmission assemblies in the gear transmission reducing mechanism are distributed in parallel and are in staggered meshing connection, and the transmission stability is good. According to the gear transmission speed reduction mechanism, the multiple transmission gears are axially arranged, two parallel transmission assemblies are sequentially meshed in a staggered mode to form a continuous speed reduction transmission path, and on the basis that multi-stage speed reduction is achieved, the window opener space occupied by the speed reduction mechanism is greatly shortened.

The invention relates to the technical field of building three-dimensional modeling, and provides an ALS point cloud facade geometry-based LLO3-level-tending building three-dimensional model automatic reconstruction method, which comprises the steps of 1, building point cloud segmentation and bottom contour construction: segmenting a roof and facade area from an ALS point cloud, and constructing a bottom contour; automatically extracting the bottom contour of the actually grounded building through the vertical projection of the facade point cloud; step 2, door and window contour extraction based on facade geometry: projecting the facade point cloud into a two-dimensional image, identifying a door and window opening by using an Alpha Shape construction and geometry-semantic detection method, and extracting a door and window contour; and step 3, building a three-dimensional building model with enhanced facade details: inputting the bottom contour and the door and window contour into a modeling frame, and automatically embedding door and window components through polygonal surface patch combination and Boolean operation to generate a building model with a complete structure and semantic details. According to the method, the three-dimensional model of the building tending to the LOD3 level can be better and automatically reconstructed based on the ALS point cloud.